Cosmetic care or fragrance composition in two-phase form

Abstract

The invention relates to a two-phase cosmetic composition comprising an aqueous phase and an oily phase, the aqueous phase representing at least 50% by weight of the total weight of the composition, the oily phase comprising at least one aromatic silicone oil a) and at least one second oil different from the aromatic silicone oil a), and the density of the oily phase being higher than the density of the aqueous phase at 20° C. The invention also relates to a skin care and/or fragrance application process comprising a step of applying a cosmetic composition according to the invention preferably by spraying.

1 . A two-phase cosmetic composition comprising an aqueous phase and an oily phase, the aqueous phase representing at least 50% by weight of the total weight of the composition, characterised in that:
 the oily phase comprises at least one aromatic silicone oil a) and at least one second oil different from the aromatic silicone oil a); and   the density of the oily phase is greater than the density of the aqueous phase at 20° C.   
     
     
         2 . The composition according to  claim 1 , characterised in that it comprises less than 0.1%, preferably less than 0.05%, by weight of a surfactant or of an emulsifying polymer, relative to the total weight of the composition, and more preferentially is free of surfactant. 
     
     
         3 . The composition according to  claim 1 , characterised in that it comprises less than 0.1%, preferably less than 0.01%, more preferentially less than 0.001% by weight of a polysaccharide gelling agent, relative to the total weight of the composition, and more preferentially is free of polysaccharide gelling agent. 
     
     
         4 . The composition according to  claim 1 , characterised in that the aqueous phase represents at least 60%, preferably at least 65% and more preferentially at least 70%, by weight relative to the total weight of the composition. 
     
     
         5 . The composition according to  claim 1 , characterised in that the density of the aqueous phase is less than or equal to 1.00 g·cm −3  at 20° C. 
     
     
         6 . The composition according to  claim 1 , characterised in that the density of the oily phase is greater than 1.00 g·cm −3  at 20° C., and preferably greater than 1.01 g·cm −3  at 20° C. 
     
     
         7 . The composition according to  claim 1 , characterised in that the difference between the density of the aqueous phase and the density of the oily phase is less than or equal to 0.02. 
     
     
         8 . The composition according to  claim 1 , characterised in that the oily phase represents at most 50%, preferably at most 40%, more preferentially at most 35% and even more preferentially at most 30%, by weight relative to the total weight of the composition. 
     
     
         9 . The composition according to  claim 1 , characterised in that the aromatic silicone oil a) has a density greater 1.00 g·cm 3  at 20° C., and preferably greater than 1.01 g·cm −3  at 20° C. 
     
     
         10 . The composition according to  claim 1 , characterised in that the aromatic silicone oil a) is a silicone oil having at least one phenyl group, preferably having between one and five phenyl groups, and even more preferentially having five phenyl groups. 
     
     
         11 . The composition according to  claim 1  characterised in that the aromatic silicone oil a) is a silicone oil having at least one phenyl group chosen from diphenyl dimethicone, trimethylsiloxyphenyl dimethicone, phenylpropyldimethylsiloxysilicate, trimethyl pentaphenyl trisiloxane, and mixtures thereof, and more preferentially trimethyl pentaphenyl trisiloxane. 
     
     
         12 . The composition according to  claim 1 , characterised in that the second oil different from the aromatic silicone oil a) is a hydrocarbon oil and/or an aromatic silicone oil b). 
     
     
         13 . The composition according to  claim 1 , characterised in that the second oil different from the aromatic silicone oil a) is an aromatic silicone oil b) having at least one phenyl group, preferably chosen from phenyl trimethicone, diphenylsiloxy phenyl trimethicone, and mixtures thereof. 
     
     
         14 . The composition according to  claim 1 , characterised in that the second oil different from the aromatic silicone oil a) is a hydrocarbon oil chosen from hydrocarbon oils of vegetable origin. 
     
     
         15 . The composition according to  claim 14 , characterised in that the hydrocarbon oil of vegetable origin is chosen from jojoba oil, Limnanthes oil, a mixture of caprylic/capric triglycerides, and mixtures thereof. 
     
     
         16 . The composition according to  claim 15 , characterised in that the hydrocarbon oil of vegetable origin is a mixture of caprylic/capric triglycerides. 
     
     
         17 . The composition according to  claim 1 , characterised in that the ratio between the aromatic silicone oil a) and the second oil different from the aromatic silicone oil a) varies from 10/90 to 80/20. 
     
     
         18 . The composition according to  claim 17 , characterised in that the ratio between the aromatic silicone oil a) and the second oil different from the aromatic silicone oil a) varies from 10/90 to 50/50, preferably from 15/85 to 40/60, and more preferentially from to 30/70, when the second oil is an aromatic silicone oil b). 
     
     
         19 . The composition according to  claim 17 , characterised in that the ratio between the aromatic silicone oil a) and the second oil different from the aromatic silicone oil a) varies from 80/20 to 20/80, preferably from 70/30 to 30/70, more preferentially from 65/35 to 35/70, and even more preferentially from 60/40 to 40/60, when the second oil is a hydrocarbon-based oil. 
     
     
         20 . The composition according to  claim 1 , characterised in that the oily phase comprises at least one nacre and/or at least one hydrophobic pigment. 
     
     
         21 . The composition according to  claim 20 , characterised in that the nacre and/or the hydrophobic pigment represents from 0.01% to 5% by weight of the total weight of the composition, and preferably from 0.05% to 2% by weight of the total weight of the composition. 
     
     
         22 . The composition according to  claim 1 , characterised in that it has two non-homogeneous phases, an aqueous phase and an oily phase, which are visually distinct from one another at rest. 
     
     
         23 . The composition according to  claim 1 , characterised in that the oily phase is in the form of bead(s) immiscible within the aqueous phase. 
     
     
         24 . The composition according to  claim 23 , characterised in that oily-phase bead(s) are free of external coating. 
     
     
         25 . A use of a cosmetic composition according to  claim 1  for skin care and/or as a fragrance. 
     
     
         26 . A composition for skin care, characterised in that it comprises a cosmetic composition according to  claim 1  and a cosmetic active agent, said cosmetic active agent preferably being retinol palmitate, Lipochroman®-6 (dimethylmethoxy chromanol, CAS number: 83923-51-7), an esterified derivative of vitamin C such as ascorbyl tetraisopalmitate, and more preferentially an esterified derivative of vitamin C such as ascorbyl tetraisopalmitate. 
     
     
         27 . A fragrance composition, characterised in that it comprises a cosmetic composition according to  claim 1  and a fragrance concentrate. 
     
     
         28 . A vial comprising a packaging means and an application means, said packaging means containing the cosmetic composition according to  claim 1  and said application means preferably being a sprayer. 
     
     
         29 . A skin care and/or fragrance application process characterised in that it comprises the following steps:
 i—shaking of a cosmetic composition according to  claim 1  for mixing the aqueous phase with the oily phase; and   ii—application of the mixed cosmetic composition obtained at the end of step i—either directly using the fingers or with a cotton wool, or by spraying, and preferably by spraying.